package two;

abstract class Pingmian {
    private String tuxing;
    public Pingmian(){}
    public Pingmian(String tuxing){
    	this.tuxing=tuxing;	  	
    }
    public void setTuxing(String tuxing) {
		this.tuxing = tuxing;
	}
	public String getTuxing() {
		return tuxing;
	}	
	public abstract String toString();
	public abstract double YC();
	public abstract double YS();
	
	
} 

